The speaker utilizes CSR four.0 Bluetooth for high quality music streaming and you may connect the speaker to your smartphone or tablet devices. The speaker will come with a built-in rechargeable 3600mAh battery and charges via the micro USB port. The speaker also appear with a built-in UNC threated https://www.bluetoothspeaker.top/computer-speaker-home-desktop-desktop-long-usb-cable-heavy-bass-speaker-bluetooth-speaker/